Fix/ tests

package.json

@@ -6,7 +6,10 @@
   "scripts": {
     "start": "node src/index.js",
     "go": "nodemon src/index.js",
-    "test": "jest"
+    "test": "jest --watch"
+  },
+  "jest": {
+    "testEnvironment": "node"
   },
   "repository": {
     "type": "git",
@@ -22,6 +25,7 @@
     "bcrypt": "^3.0.6",
     "env2": "^2.2.2",
     "express": "^4.16.4",
+    "express-handlebars": "^3.1.0",
     "pg": "^7.11.0",
     "qs": "^6.7.0"
   },

tests/math.js

@@ -0,0 +1,11 @@
+const sum = (a, b) => a + b;
+const mul = (a, b) => a * b;
+const sub = (a, b) => a - b;
+const div = (a, b) => a / b;
+
+module.exports = {
+  sum,
+  mul,
+  sub,
+  div
+};

tests/math.test.js

@@ -1,7 +1,4 @@
-const sum = (a, b) => a + b;
-const mul = (a, b) => a * b;
-const sub = (a, b) => a - b;
-const div = (a, b) => a / b;
+const { sum, mul, sub, div } = require("./math");
 
 test("Adding 1 + 1 equals 2", () => {
   expect(sum(1, 1)).toBe(2);
@@ -15,3 +12,19 @@ test("Subtracting 1 - 1 equals 0", () => {
 test("Dividing 1 / 1 equals 1", () => {
   expect(div(1, 1)).toBe(1);
 });
+
+const fahrenheitToCelsius = temp => {
+  return (temp - 32) / 1.8;
+};
+
+const celsiusToFahrenheit = temp => {
+  return temp * 1.8 + 32;
+};
+
+test("Should convert 32 F to 0 C", () => {
+  expect(fahrenheitToCelsius(32)).toBe(0);
+});
+
+test("Should convert 0 C to 32 F", () => {
+  expect(celsiusToFahrenheit(0)).toBe(32);
+});